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66498 (1999 RR67)
Classification: Main-belt Asteroid          SPK-ID: 2066498
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1014068940618656 4.5273e-08  
a 2.607906077950162 1.6718e-08 au
q 2.343446422580174 1.1828e-07 au
i 11.09316865096824 4.7983e-06 deg
node 187.5603918463848 2.1525e-05 deg
peri 216.8275490845039 2.8981e-05 deg
M 281.4113829639197 2.0814e-05 deg
tp 2459336.309897518633
(2021-May-01.80989752)
9.0388e-05 TDB
period 1538.283375710839
4.21
1.4792e-05
4.05e-08
d
yr
n .2340271016929143 2.2503e-09 deg/d
Q 2.872365733320149 1.8413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      612  
   data-arc span      8658 days (23.70 yr)  
   first obs. used      1995-08-27  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60844  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:28:16  

Additional Information
 Earth MOID = 1.35996 au 
 Jupiter MOID = 2.54525 au 
 T_jup = 3.378 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO436245  
diameter diameter 3.046 km 0.501 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.144   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66498 (1999 RR67)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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